ADMICRO

Choose the word or phrase (a, b, c or d) that best fits the blank space in the following passage.

Industrialization has provided us with material (51)_______ and modern (52)____. Electrical appliances and efficient gadgets ease our daily (53)______. Yet, there is a heavy price tag (54)______ to this convenience. Large-scale industrialization is killing the world. Today there is a strong emphasis (55)_______ on the halt of CFC usage. CFCs, otherwise known as chloro-fluoro-carbons, are ozone-depleting chemicals. They (56)________ burn a hole in the earth’s atmosphere and we, on earth, suffer from the strong radiation (57)_______ by the sun’s rays. Household (58)_________ like refrigerators, aerosol cans, air-conditioners and styrofoam containers (59)________ ozone-depleting chemicals. The hole in the sky allows harmful radiation to reach the earth. As a result, the temperature on the earth will (60)_________. This is alarming because polar ice caps will melt in the heat. Ocean levels will rise and islands will gradually be flooded.

57___________

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